/*
 * Copyright (C) 2008 Universidade Federal de Campina Grande
 *  
 * This file is part of OurGrid. 
 *
 * OurGrid is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free 
 * Software Foundation, either version 3 of the License, or (at your option) 
 * any later version. 
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT 
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * for more details. 
 * 
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package org.ourgrid.peer.ui.async.gui.actions;

import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.io.File;
import java.util.List;

import javax.swing.AbstractAction;
import javax.swing.JOptionPane;

import org.ourgrid.common.spec.main.CompilerException;
import org.ourgrid.common.spec.main.DescriptionFileCompile;
import org.ourgrid.common.spec.worker.WorkerSpec;
import org.ourgrid.peer.ui.async.client.PeerAsyncInitializer;
import org.ourgrid.peer.ui.async.gui.OurGridFileChooser;

/**
 * It represents an Action to set the workers at the peer.
 */
public class SetWorkersAction extends AbstractAction {

    private Frame frame;

	/** Creates new form SetWorkersAction */
	public SetWorkersAction(Frame frame) {
        super("Import workers from file");
        this.frame = frame;
    }
    
	/**
	 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
	 */
    public void actionPerformed(ActionEvent arg0) {
    	   	
    	OurGridFileChooser fileChooser = new OurGridFileChooser("Site Description File", "sdf", "classad");
    	File sdfFile = fileChooser.getFile();
    	if (sdfFile != null) {
    		setWorkers(sdfFile.getPath());
    	}
    	
    }

	private void setWorkers(String sdfFilePath) {
		
		try {
			List<WorkerSpec> specs;
			if(sdfFilePath.endsWith(".sdf")){
				specs = DescriptionFileCompile.compileSDF(sdfFilePath);
			}else{
				specs = DescriptionFileCompile.compileNewSDF(sdfFilePath);
			}
			PeerAsyncInitializer.getInstance().getComponentClient().setWorkers(specs);
		} catch (CompilerException e) {
			JOptionPane.showMessageDialog(null, e.getMessage(), 
					"SDF Compiler Error", JOptionPane.ERROR_MESSAGE);
		} 
		
	}

}
